cancel abstract method
Cancels the pending or in-progress operation.
Multiple calls to this method should have the same result. In other words, it should be idempotent.
Implementation
FutureOr<void> cancel();
Cancels the pending or in-progress operation.
Multiple calls to this method should have the same result. In other words, it should be idempotent.
FutureOr<void> cancel();